CVE-2026-6011

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Affected by this issue is some unknown functionality of the file src/agents/tools/web-fetch.ts of the component assertPublicHostname Handler. Executing a manipulation can lead to server-side request forgery. The attack can be executed remotely. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been made available to the public and could be used for attacks. Upgrading to version 2026.1.29 can resolve this issue. This patch is called b623557a2ec7e271bda003eb3ac33fbb2e218505. 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Upgrading the affected component is advised."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-918", "description": "Server-Side Request Forgery"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-10T03:45:14.380Z"}}}, "cveMetadata": {"cveId": "CVE-2026-6011", "state": "PUBLISHED", "dateUpdated": "2026-04-10T13:41:20.869Z", "dateReserved": "2026-04-09T14:29:09.607Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-04-10T03:45:14.380Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

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Upgrading the affected component is advised."}], "id": "CVE-2026-6011", "lastModified": "2026-06-17T11:00:09.657", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.9, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6011", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-10T13:41:14.761715Z", "version": "2.0.3"}}]}, "published": "2026-04-10T05:16:06.757", "references": [{"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://github.com/openclaw/openclaw/"}, {"source": "cna@vuldb.com", "tags": ["Patch"], "url": "https://github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e218505#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR44"}, {"source": "cna@vuldb.com", "tags": ["Release Notes"], "url": "https://github.com/openclaw/openclaw/releases/tag/v2026.1.29"}, {"source": "cna@vuldb.com", "tags": ["Exploit", "Mitigation", "Patch", "Third Party Advisory"], "url": "https://github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.md"}, {"source": "cna@vuldb.com", "tags": ["Patch", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/795224"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/356567"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/vuln/356567/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.10"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.11"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.12"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.13"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.14"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.15"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.16"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.17"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.18"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.19"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.20"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.21"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.22"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.23"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.24"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.25"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2026.1.26"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2026.1.29"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "OpenClaw", "source": "cna", "vendor": "n/a"}, "product": "openclaw", "vendor": "openclaw"}], "analysis": {"en": {"generated_at": "2026-04-10T05:52:08.457500+00:00", "value": {"mitigation_remediation": ["Apply the OpenClaw 2026.1.29 patch or upgrade to the latest release", "If an immediate upgrade is not feasible, disable or restrict the assertPublicHostname functionality in web-fetch.ts", "Implement network segmentation to limit the reach of potential SSRF requests", "Continuously monitor logs for abnormal outbound connections from the application server"], "summary": {"action": "Patch Immediately", "impact": "Server\u2011Side Request Forgery"}, "threat_synthesis": {"affected_systems": "OpenClaw applications released through version 2026.1.26 or earlier are affected. The issue resides in the component located at src/agents/tools/web-fetch.ts, and the affected functionality is the assertPublicHostname handler. Upgrading to OpenClaw 2026.1.29, which incorporates commit b623557a2ec7e271bda003eb3ac33fbb2e218505, resolves the vulnerability.", "description_and_impact": "A weakness in OpenClaw\u2019s assertPublicHostname handler within the web\u2011fetch.ts component allows an attacker to craft a request that forces the server to issue arbitrary HTTP requests to internal or external resources. This server\u2011side request forgery (SSRF) gives a remote attacker the capacity to bypass network restrictions, exfiltrate sensitive data, or further pivot into internal systems. The vulnerability is grouped under CWE\u2011918 and carries moderate severity as reflected by its CVSS score of 6.3. The impact can compromise confidentiality, integrity, and availability of internal services that the affected server attempts to access, potentially affecting the entire system if the server functions as part of a larger infrastructure.", "risk_and_exploitability": "The exploit is known to be difficult, and the available public exploit increases the risk of adoption by threat actors. Although the EPSS score is not provided, the issuance of a public exploit coupled with a moderate CVSS score signals a non\u2011negligible risk. The attack vector is remote, requiring an attacker to send a crafted request to the vulnerable OpenClaw instance. The vulnerability is not listed in the CISA KEV catalog, but uncontrolled internal requests can still lead to data leakage or lateral movement if the internal network is not properly segmented."}}}}, "created": "2026-04-10T08:35:48.633769+00:00", "updated": "2026-04-10T09:26:50.287140+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}